Movable molding for a vehicle

ABSTRACT

A movable molding is provided for a vehicle on the vehicle body adjacent to a wrap-around end portion of the bumper. The molding and end portion of the bumper have mating abutment walls through which these elements are fastened together. When the bumper moves towards the vehicle upon impact, the molding is thereby caused to move therewith. Slide means are provided between the molding and vehicle body for sliding of the molding along the body. A cam surface is provided in the sliding structure which causes the end of the molding remote from the bumper end porton to move away from the vehicle body and thereby avoid damaging contact with any outwardly projecting vehicle body structure which lies in the path of the molding.

RELATED APPLICATION

This application relates to Ser. No. 939,194, filed 12-8-86.

BACKGROUND OF THE INVENTION

1. Field of the Invention

This invention relates to a movable vehicle molding directly connectedto a bumper to move therewith and provided with cam means to causeoutward deflection of the molding upon bumper movement, the outwarddeflection resulting in the molding passing over any outwardlyprojecting vehicle body structure without damaging it.

2. Prior Art

Government regulations have mandated that front and rear bumpers ofvehicles be so constructed and mounted as not to be damaged as aconsequence of low speed impact with other vehicles or fixed structure.The prevailing method for accomplishing this has been to mount thebumper onto the vehicle by means of an energy absorbing device, such asa shock absorbing structure. When the bumper is impacted at low speeds,the energy absorbing device collapses, absorbing the energy of impact.This collapse takes with it the bumper which moves toward the vehicle.After being impacted, the energy absorbing devices bias the bumper backto its normal position.

One problem which has been encountered in connection with suchstructures is the maintenance of the integrity of moldings typicallyprovided on the fenders of vehicles adjacent to and in-line withwrap-around end portions of the bumpers which extend around the sides ofthe vehicles. As the bumper is moved toward the vehicle, the wrap-aroundend portions also, of course, move. These end portions will impactmoldings which are mounted on the fenders closely adjacent thereto. Ifthe moldings are rigid pieces, and rigidly mounted they will be damagedupon impact with the end portions of the bumper.

One solution to this problem has been the use of flexible moldings. Whensuch moldings are impacted, they deform without damage. Upon retractionof the bumper after impact, such moldings may be straightened out byhand or may return to normal position as a consequence of inherentresiliency. Examples of such moldings are illustrated in U.S. Pat. Nos.3,937,508 and 4,059,301.

It has been desired to use a molding fabricated of rigid material. Sucha molding will not, of course, flex upon being impacted by an endportion of a bumper. It is necessary that such rigid molding not bedamaged by the bumper upon impact. In accordance with these needs,spring mounting means, as disclosed in U.S. patent application Ser. No.06/776,077, filed Sept. 3, 1985, are provided to permit outwarddeflection of the molding upon bumper movement, with the end portions ofthe bumper sliding beneath the molding thereby avoiding damage to themolding.

However, this construction has one disadvantage. There is frequently asmall amount of permanent bumper set after impact. Therefore, themolding has to be offset from the bumper a short distance so that it canreturn to its initial position after the bumper retracts to a positionwhich is closer to the molding than the initial position of the bumperbecause of the small amount of permanent bumper set. This requires ashort empty space or gap to be provided between the adjacent ends of themolding and bumper. This gap is considered to be aestheticallyobjectionable.

In accordance with another approach as disclosed in U.S. patentapplication Ser. No. 06/911,545, filed Sept. 25, 1986, the molding isprovided with a spring urged, telescoping extension adjacent the bumper.This permits limited reduction in molding length upon impact of thebumper with the molding prior to deflection of the molding. Anypermanent set of the bumper is taken up by the telescoping extension.This permits the molding to be mounted closely adjacent to the bumperend with no gap between these elements. However, this construction doesrequire a spring assembly.

In accordance with the present invention, a slidable molding is providedwith a simple cam arrangement which causes the molding to deflect overand pass outwardly projecting vehicle body structure without damage. Themolding is directly connected to the bumper, thus leaving no gaptherebetween. Novel fastening means are used for this connection topromote ease of assembly and permit vertical movement of the bumperwhile the molding remains stationary. Thus, if the bumper is moved up ordown upon impact, it will not damage the molding.

SUMMARY OF THE INVENTION

A movable molding for a vehicle having a body and a bumper mounted onone of the forward and rearward ends thereof is provided. Energyabsorbing structure mounts the bumper to the vehicle. The energyabsorbing structure biases the bumper to a normal position but permitsmovement of the bumper toward the vehicle upon impact. The bumper has anend portion extending around a side of the vehicle body.

The molding comprises a relatively rigid element having an underside andexterior side. The molding lies on the exterior of the vehicle body inalignment with, and adjacent to, the bumper end portion. Fastening meanssecure the molding to the bumper end portion. Slide element means areconnected to the vehicle body. One of the slide element means andmolding have projection structure thereon and the other of the slideelement means and the molding has longitudinally extending recess meansthereon. The projection structure is received within the recess meansand maintains the molding in position relative to the vehicle body whilepermitting the molding to slide in the direction of the bumper movement.The bumper end portion is adapted to move the molding on the slideelement means when the bumper is moved toward the vehicle upon impactand move the molding back to its original position upon retraction ofthe bumper end portion after impact.

The recess means includes a cam surface angled outwardly from thevehicle from a point intermediate the ends of the molding to a pointmore remote from the bumper end portion. The cam surface contacts theprojection structure during sliding of the molding and causes the end ofthe molding remote from the bumper end portion to move away from thevehicle body and thereby avoid damaging contact with any outwardlyprojecting vehicle body structure which lies in the path of the molding.

The molding has at least one block element on the underside thereof. Theblock element has the recess means formed therein. The slide elementcomprises a structure including an enlarged head and a stem. The recessmeans defined by the block element comprises an elongated verticallyextending recess which receives the head and an elongated horizontallyextending recess communicating therewith through which the stem extends.The cam surface is defined by the surface of the vertically extendingrecess of the recess means which is outermost from the vehicle body.

The fastening means comprises a fastening element extending from theinterior of the molding through an open end provided in the molding andopening means provided in the bumper end portion. A base is slidablymounted on pin means the ends of which extend therefrom. The fasteningelement is secured to the base. A bracket is positioned within themolding and is capable of limited sliding. The bracket has opening meansreceiving the pin means to pivotably and slidably mount the base tofacilitate orientation and passage of the fastening means through theopening means in the bumper end portion. The base can slide on the pinmeans to permit independent vertical movement of the bumper end portion.

DESCRIPTION OF THE DRAWINGS

FIG. 1 is a view in perspective of a portion of the right front fenderand bumper area of a car with a movable molding forming one embodimentof the present invention illustratively mounted on the right frontfender;

FIG. 2 is a sectional view taken substantially along the line 2--2 ofFIG. 1 looking in the direction of the arrows;

FIG. 3 is a view similar to FIG. 2 with the bumper shown in a positionwhere it has been moved toward the car after impact;

FIG. 4 is an enlarged view of the structure shown in the circle of FIG.2 and labeled with the numeral 4;

FIG. 5 is a sectional view taken substantially along the line 5--5 ofFIG. 2 looking in the direction of the arrows;

FIG. 6 is a sectional view taken substantially along the line 6--6 ofFIG. 3 looking in the direction of the arrows;

FIG. 7 is an exploded view in perspective of portions of the moldingstructure viewed from the reverse position with respect to that shown inFIG. 1 to illustrate the backside of the components; and

FIG. 8 is a perspective exploded view of the fastening means used tosecure the molding to the bumper.

DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT

Referring to FIG. 1, it will be noted that the movable molding 10 inaccordance with the present invention is mounted on the side of theright front fender of an automobile 14. A similar molding may be mountedon the right rear fender. Mirror image moldings may be mounted on theopposite or left-hand side of the automobile 14. It will be noted thatthe molding 10 is mounted in-line with and adjacent to the end portion12 of the front bumper element 16. This portion extends around the sideof the vehicle.

The bumper elements are mounted on the automobile 14 for movementrelative to the automobile body upon impact. Energy absorbing devices,such as shock absorbers, are provided to mount and bias the bumperelements to a normal position such, for example, as illustrated in thepreviously mentioned U.S. Pat. Nos. 3,937,508 and 4,059,301. Thespecific type of energy absorbing device is not germane to the presentinvention, the present invention functioning with various styles of suchdevices. The energy absorbing devices permit movement of the bumper ashort distance toward the vehicle on which they are mounted after a lowspeed impact with another vehicle or stationery structure withoutappreciable damage to the bumper structure. After the impacting force isdissipated, the bumper structure is returned to its original position bythe energy absorbing devices. However, in some cases of greater impact,the bumper structure may have a small amount of permanent set andconsequently not return to its original position.

The movable molding of the present invention is designed to accommodatelimited bumper motion without damage to the molding or adjacent vehiclebody structure. The molding 10 is a relatively rigid trim piece designedto stylistic merge with the front bumper element. The molding 10includes a rectangular opening 18 which surrounds a lens 20, usuallyamber in color, which is mounted on the automobile body structure. Alamp is provided behind the lens to illuminate the lens when the vehiclelights are energized. Such lamps are commonly referred to as "fendermarker lamps" and the molding 10 as a "marker surround".

The molding 10 may be fabricated as, for example, a stamped brasselement. The molding 10 is elongated in the direction of the length ofthe automobile 14. It includes an exterior side comprising an outer wallportion 22 from the edges of which depend side wall portions 24, 26which space the outer wall portion 22 from the automobile bodystructure. The side wall portions 24, 26 terminate in inwardly turnedflange portions 28, 30. The end of the molding adjacent to the bumperend portion 12 is provided with an abutment wall 32 in the form of aperipheral flange which leaves the end of the molding substantiallyopen. The end of the molding 10 remote from the end portion 12 is closedby means of a wall 34. The bumper end portion 12 has a mating abutmentwall 36. The walls 32, 36 contact each other at all times, beingconnected together by fastening means 38 as will be later described. Aswill be noted, no space is provided between the walls 32, 36. Such aspace, which is visually objectionable, is normally needed toaccommodate bumper movement but is avoided in the present construction.

The molding 10 lies on the exterior of the vehicle body and is held inplace by slide element means which are connected to the vehicle body.The slide element means comprise a pair of projecting structures 40, 42.One of these structures 40 is mushroom shaped and includes a head 44 anda square stem 46. The structure 40 is secured to vehicle body structure48 by means of a screw 50 which is received in opening 52 provided instem 46. The other structure 42 is defined by a plate 54 which issecured to vehicle body structure 56 by means of screws 58. A stem 60extends outwardly from one end of the plate 54 and terminates in aninturned enlarged head 62.

Each of the projecting structures 40, 42 is slidingly received in recessmeans provided in a pair of block elements 64, 66 which are securedwithin the molding 10 by means of adhesion and a press fit. Each of theblocks 64, 66 is provided with an elongated vertically extending recess68, 70 which slidingly receives the heads 44, 62 and an elongatedhorizontally extending recess 72, 74 communicating therewith throughwhich the stems 46, 60 extend. The block 64 has an additional recess 76which functions as a frictional relief.

As will be appreciated, with the structure thus described, the molding10 will move in whatever direction, that is forward or backward, thebumper structure moves. However, as will be noted in FIG. 1, there isfrequently outwardly projecting vehicle body structure which lies in thepath of the molding 10 which would be damaged if the molding moveddirectly thereinto. In the present case, there is an outwardlyprojecting lip 78 around the wheel well and a trim molding 80 mounted onthe lip 78. It is not desired to damage this structure as a consequenceof the movement of the molding 10 along with the bumper. Therefore, cammeans are provided in the recess of the block 66 to cause the end of themolding 10 to move outwardly away from the vehicle body structure as itis pushed rearwardly by the bumper structure. The cam structure isdefined by the surface 82 of the vertical recess 70 of the block 66,which cam surface is outermost from the vehicle body. As will be noted,the surface 82 is angled outwardly away from the vehicle from a pointintermediate the ends of the molding, that is, point 84, to a point moreremote from the bumper end portion, that is point 86. The cam surface 82contacts the head 62 of the projecting structure 42 during sliding ofthe molding 10 and causes the end of the molding 10 remote from thebumper end portion to move away from the vehicle body as shown in FIG. 3after the molding 10 has been slid in the direction of arrow 88. Thiscauses the molding 10 to avoid impinging upon the lip 78 and trimmolding 80 which project outwardly of the vehicle body around the wheelwell. As will be appreciated, the bumper will be moved back to itsnormal position after impact, as illustrated in FIG. 2, and the molding10 will be returned to its original position. If the bumper does notmove all of the way back to its original position, it makes nosignificant difference because the relative position of the molding 10with respect to the bumper structure will remain the same.

Of course, if there is a substantial deformation of the bumper position,the molding will remain in somewhat of the position of FIG. 3. However,this requires a greater impact upon the bumper than the presentinvention is designed to protect against. A portion of flat surface 90is provided at the end of the cam surface 82 to accommodate some bumperlack of reset.

The fastening means 38 which secure the molding 10 to the bumper endportion 12 are best illustrated in FIGS. 4 and 8. As will be noted, thefastening means includes a fastening element 92 in the form of athreaded bolt. The bolt 92 extends through the open end of the moldingand through opening 96 provided in abutment wall 36 of the bumper endportion 12. A nut 98 is received on the bolt and tightened in place tothereby secure the molding 10 to the bumper end portion 12. The bolt 92is anchored to a base element 100. The base element 100 is positionedwithin the molding 10. Pin means comprising a single pin 101 slidablyextending through an opening 103 in the base 100 has a pair of pin ends102, 104 extending outwardly from the base 100. The pin ends 102, 104are received in openings 106, 108 provided in a U-shaped bracket 110.The bracket 110 is slidably received within the molding 10. This slidingis limited by wall flange 32. Mounting of the base 100 in the bracket110 permits pivoting of the base thereby changing the angular directionof the bolt 92 and vertical sliding of the base 100 on the pin 101 tofacilitate orientation of the bolt with respect to the opening 96 andpassage therethrough during assembly and permits vertical movement ofthe bumper with respect to the molding upon impact, with the moldingremaining vertically stationary. The slidability of the backet 110permits easy assembly of the fastening means structure to secure themolding 10 to the bumper end portion 12.

I claim:
 1. A movable molding for a vehicle having a body and a bumpermounted on one of the forward and rearward ends thereof, energyabsorbing structure mounting the bumper to the vehicle, said energyabsorbing structure biasing the bumper to a normal position butpermitting movement of the bumper toward the vehicle upon impact, saidbumper having an end portion extending around a side of the vehiclebody, said molding comprising a relatively rigid element having anunderside and an exterior side, the molding lying on the exterior of thevehicle body in alignment with, and adjacent to, said bumper endportion, fastening means securing the molding to said bumper endportion, slide element means connected to the vehicle body, one of theslide element means and molding having projection structure thereon andthe other of the slide element means and the molding havinglongitudinally extending recess means thereon, the projection structurebeing received within the recess means and maintaining the molding inposition relative to the vehicle body while permitting the molding toslide in the direction of the bumper movement, the bumper end portionadapted to move the molding on the slide element means when the bumperis moved towards the vehicle upon impact and move the molding back toits original position upon retraction of the bumper end portion afterimpact, the recess means having a cam surface angled outwardly away fromthe vehicle from a point intermediate the ends of the molding to a pointmore remote from the bumper end portion, the cam surface contacting theprojection structure during sliding of the molding and causing the endof the molding remote from the bumper end portion to move away from thevehicle body and thereby avoid damaging contact with any outwardlyprojecting vehicle body structure which lies in the path of the molding.2. A molding for a vehicle as defined in claim 1, further characterizedin that the molding has at least one block element on the undersidethereof, the block element having the recess means formed therein.
 3. Amolding for a vehicle as defined in claim 2, further characterized inthat the slide element comprises a structure including an enlarged headand a stem, the recess means defined by the block element comprising anelongated vertically extending recess receiving said head and anelongated horizontally extending recess communicating therewith throughwhich said stem extends.
 4. A molding for a vehicle as defined in claim3, further characterized in that the cam surface is defined by thesurface of said vertically extending recess of the recess means which isoutermost from the vehicle body.
 5. A molding for a vehicle as definedin claim 1 further characterized in that the fastening means comprises afastening element extending through the enlarged opening in the moldingand the opening means provided in the bumper end portion, a base havinga pin extending vertically slidably therethrough with ends of the pinextending from the base, the fastening element being secured to saidbase, the molding having opening means on the underside thereofreceiving said pin ends to pivotally and vertically slidably mount thebase to facilitate orientation and passage of the fastening meansthrough the opening means in the bumper end portion during assembly andpermit vertical movement of the base on the pin to accommodate verticalmovement of the bumper end portion upon impact, with the moldingremaining vertically stationary.